King Edward VIII (1894-1972, King: 20 Jan. 1936 until his abdication 11 Dec. 1936, to marry Wallis Simpson; the only British monarch to have voluntarily relinquished the throne), signature 'Edward' (signed as Prince of Wales) on 3-page letter headed 'Buckingham Palace, London' and dated 'Le 27 Ma1911', to Monsieur Lucien Lassimonne in Cowes, Isle of Wight. Together with the envelope in which the letter was posted